# import datetime
# from datetime import timedelta
# date_str = "2021-01-02 05:30"
# date_obj = datetime.datetime.strptime(date_str, "%Y-%m-%d %H:%M")
#
# word_time=date_obj-datetime.timedelta(hours=8)
# print(date_obj)
# print(word_time)
# x=str(word_time)
# print(x[0:10]+'T'+x[11:]+".000Z")
a={"a":""}
print(a)